Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {11, 5, 17, 8, 27, 15} → ______
- Prime numbers in {11, 25, 21, 8, 19, 13} → ______
- Prime numbers in {8, 2, 19, 23, 13, 17} → ______
- Prime numbers in {11, 12, 3, 13, 15, 23} → ______
- Prime numbers in {15, 25, 29, 11, 5, 13} → ______
- Prime numbers in {11, 17, 8, 5, 7, 21} → ______
- Prime numbers in {17, 29, 27, 8, 25, 13} → ______
- Prime numbers in {2, 3, 21, 27, 17, 13} → ______
- Prime numbers in {25, 12, 23, 27, 19, 7} → ______
- Prime numbers in {29, 19, 13, 7, 21, 17} → ______
- Prime numbers in {13, 2, 29, 9, 25, 11} → ______
- Prime numbers in {21, 13, 2, 9, 29, 19} → ______
- Prime numbers in {12, 7, 25, 2, 11, 23} → ______
- Prime numbers in {11, 8, 2, 25, 3, 7} → ______
- Prime numbers in {19, 15, 8, 11, 27, 25} → ______
- Prime numbers in {21, 12, 17, 29, 15, 8} → ______
- Prime numbers in {13, 5, 21, 2, 23, 17} → ______
- Prime numbers in {23, 17, 25, 5, 8, 12} → ______
- Prime numbers in {27, 21, 5, 25, 23, 9} → ______
- Prime numbers in {29, 2, 19, 17, 12, 25} → ______